/* ============================================================================
   Shared Normalize / Reset — modern-normalize v3-inspired baseline.
   Used by all 4 launch sites for cross-site consistency.
   This file is the FIRST stylesheet loaded; arena.css overrides as needed.
   ============================================================================ */

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  tab-size: 4;
  -moz-tab-size: 4;
  line-height: 1.5;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

body {
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  touch-action: manipulation;
  overscroll-behavior-y: contain;
}

h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd { margin: 0; }
ul[role="list"], ol[role="list"] { list-style: none; padding: 0; }
ul, ol { list-style: none; padding: 0; }

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
  -webkit-appearance: none;
  appearance: none;
  background: none;
  border: 0;
}

button { cursor: pointer; -webkit-user-select: none; user-select: none; padding: 0; }
button:disabled { cursor: not-allowed; }

a { color: inherit; text-decoration: none; }
a:focus { outline: none; }
a:focus-visible { outline: 2px solid currentColor; outline-offset: 2px; }

img[alt] { font-style: italic; }

table { border-collapse: collapse; border-spacing: 0; }
th, td { text-align: left; }

textarea { resize: vertical; }
fieldset { border: 0; padding: 0; margin: 0; }
legend { padding: 0; }

hr {
  height: 0;
  border: 0;
  border-top: 1px solid currentColor;
  opacity: 0.25;
}

:focus-visible { outline: 2px solid #22d3ee; outline-offset: 2px; }
[hidden] { display: none !important; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}
